Siu
abbr. 国际海员工会（Seafarers' International Union）；系统接口单元（System Interface Unit）
🗣️ 情景例句
Well, I don't think it's anything serious.
嗯，我想没有什么严重的。
My parents speak English perfectly.
我的父母能流利地说英语。
I must definitely get that fellow posted. '
我一定要把那个家伙打发走。”